from datetime import datetime, timezone

from sqlalchemy import DateTime, Integer, String
from sqlalchemy.orm import Mapped, mapped_column

from .db import Base


class Task(Base):
    __tablename__ = "tasks"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    title: Mapped[str] = mapped_column(String(200), nullable=False)
    description: Mapped[str | None] = mapped_column(String(1000), nullable=True)
    status: Mapped[str] = mapped_column(
        String(20), nullable=False, default="TODO"
    )  # TODO/DOING/DONE
    created_at: Mapped[datetime] = mapped_column(
        DateTime, nullable=False, default=lambda: datetime.now(timezone.utc)
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime, nullable=False, default=lambda: datetime.now(timezone.utc)
    )